Infineon Technologies Cypress MB39C502-EVBSK-01 Operation Manual
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Infineon Technologies Cypress MB39C502-EVBSK-01 Operation Manual

High efficiency single output step down dc/dc controller evaluation board
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Please note that Cypress is an Infineon Technologies Company.
The document following this cover page is marked as "Cypress" document as this is the
company that originally developed the product. Please note that Infineon will continue
to offer the product to new and existing customers as part of the Infineon product
portfolio.
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The fact that Infineon offers the following product as part of the Infineon product
portfolio does not lead to any changes to this document. Future revisions will occur
when appropriate, and any changes will be set out on the document history page.
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Summary of Contents for Infineon Technologies Cypress MB39C502-EVBSK-01

  • Page 1 Please note that Cypress is an Infineon Technologies Company. The document following this cover page is marked as “Cypress” document as this is the company that originally developed the product. Please note that Infineon will continue to offer the product to new and existing customers as part of the Infineon product portfolio.
  • Page 2 MB39C502-EVBSK-01 High Efficiency Single Output Step Down DC/DC Controller Evaluation Board Operation Manual Doc. No. 002-08685 Rev. *B Cypress Semiconductor 198 Champion Court San Jose, CA 95134-1709 Phone (USA): 800.858.1810 Phone (Intnl): +1 408.943.2600 www.cypress.com...
  • Page 3 Copyrights © Cypress Semiconductor Corporation, 2014-2019. This document is the property of Cypress Semiconductor Corporation and its subsidiaries (“Cypress”). This document, including any software or firmware included or referenced in this document (“Software”), is owned by Cypress under the intellectual property laws and treaties of the United States and other countries worldwide.
  • Page 4 Preface This manual explains how to use the evaluation board. Be sure to read this manual before using the product. For this product, consult with sales representatives or support representatives. Handling and use Handling and use of this product and notes regarding its safe use are described in the manuals. Follow the instructions in the manuals to use this product.
  • Page 5 Preface Before moving the product, be sure to turn off all the power supplies and unplug the cables. Watch your step when carrying the product. Do not use the product in an unstable location such as a place exposed to strong vibration or a sloping surface. Doing so may cause the product to fall, resulting in an injury or fault.
  • Page 6 Preface Since the product contains many electronic components, keep it away from direct sunlight, high temperature, and high humidity to prevent condensation. Do not use or store the product where it is exposed to much dust or a strong magnetic or electric field for an extended period of time.

  • Page 7: Table Of Contents

    Contents Description ..................................7 Evaluation Board Specification ............................ 8 Pin Description ................................9 Setup and Checkup ..............................10 Component Layout ..............................11 Wiring Layout ................................12 Circuit Diagram ................................13 Parts List ..................................14 Reference Data ................................16 10. Initial Settings ................................23 11.

  • Page 8: Description

    1. Description MB39C502 is a single output step down DC/DC controller using external FETs. It achieves the high efficiency with “Enhanced Low Power Mode (LPM) Operation” in light load. In Enhanced LPM, this controller operates that the quiescent current is reduced only 30μA and the switching frequency is fallen by extending on time. These operations enable to improve the efficiency in light load.

  • Page 9: Evaluation Board Specification

    Evaluation Board Specification Table 2-1 Evaluation Board Specification Component Symbol Condition Unit Input Voltage Output Voltage VOUT Output Current IOUT SLP_N=H 8.54 Switching Frequency MB39C502-EVBSK-01 Evaluation Board Operation Manual, Doc. No. 002-08685 Rev. *B...

  • Page 10: Pin Description

    Pin Description Table 3-1 Pin Description Component Input or Output Description Input Power supply terminal of DC/DC system. VOUT Output Output of DC/DC system. Input Power supply terminal PWM controller and internal drivers. Enable input for PWM Controller. Input When turning on, apply greater than 0.65V and less than 5.5V. When turning off, apply less than 0.25V.

  • Page 11: Setup And Checkup

    Setup and Checkup  Supply the DC/DC input power of to the terminal between VIN to PGND.  Supply the PWM controller input voltage of 5.0V to VDD terminal.  Connect the VOUT terminal to required loading device or measuring instrument. In this time, connect the EN terminal to “L”...

  • Page 12: Component Layout

    Component Layout Figure 5-1 Component Layout Top View MB39C502-EVBSK-01 Evaluation Board Operation Manual, Doc. No. 002-08685 Rev. *B...

  • Page 13: Wiring Layout

    Wiring Layout Figure 6-1 Wiring Layout Top Side (Layer 1) Inside (Layer 2) Inside (Layer 3) Bottom Side (Layer 4) MB39C502-EVBSK-01 Evaluation Board Operation Manual, Doc. No. 002-08685 Rev. *B...

  • Page 14: Circuit Diagram

    Circuit Diagram Figure 7-1 Circuit Diagram VOUT PatternShort VOUTs LDO5 PatternShort VINs PWRGD PWRGD VIN1 VIN2 VOUT5 ALERT_N_VOUT ALERT_N VIN3 VOUT4 DRVH VIN4 VOUT3 SLP_N SLP_N VOUT2 VOUT1 DRVL PGND1 ILIM PGND2 AGND PGND PGND3 PGND4 PGND5 PGNDs MB39C502-EVBSK-01 Evaluation Board Operation Manual, Doc. No. 002-08685 Rev. *B...

  • Page 15: Parts List

    Parts List Table 8-1 Parts List Component Item Specification Vender Package Parts Name Remark Cypress QFN-16 MB39C502 Controller VDS=30V, ID=11A RON=8.8mΩ, QG=6.7nC High/Low Nch FET Fairchild Power33 FDMC7208S VDS=30V, ID=13.5A Side FET RON=5.3mΩ, QG=14nC On Semi- 1.6 x VF=0.35V at IF=10mA BAT54XV2T1G conductor 0.8mm...
  • Page 16 Parts List Component Item Specification Vender Package Parts Name Remark No Mount R21 * No Mount * 220kΩ * R27 * Resistor * KOA * 1005 * RK73B1ETTP224J * EN * R28 * No Mount * 220kΩ * R29 * Resistor * KOA * 1005 *...

  • Page 17: Reference Data

    Reference Data Figure 9-1 Efficiency vs Output Current, VOUT ; 1.2V-Setting 7.4V Normal 12.0V Normal 20.0V Normal 7.4V LPM 12.0V LPM 20.0V LPM 100% 0.0001 0.001 0.01 Output Current / A MB39C502-EVBSK-01 Evaluation Board Operation Manual, Doc. No. 002-08685 Rev. *B...
  • Page 18 Reference Data Figure 9-2 Load regulation Output Voltage vs Output Current, VOT ; 1.2V-Setting 7.4V Normal 12.0V Normal 20.0V Normal 7.4V LPM 12.0V LPM 20.0V LPM 1.212 1.208 1.204 1.200 1.196 1.192 1.188 0.0001 0.001 0.01 Output Current / A Figure 9-3 Start-up (EN=0V=>5V) VIN=7.4V,VOUT=1.2V,IOUT=0.05A, SLP_N=H MB39C502-EVBSK-01 Evaluation Board Operation Manual, Doc.
  • Page 19 Reference Data Figure 9-4 Shutdown (EN=5V=>0V) VIN=7.4V,VOUT=1.2V,IOUT=0.05A, SLP_N=H MB39C502-EVBSK-01 Evaluation Board Operation Manual, Doc. No. 002-08685 Rev. *B...
  • Page 20 Reference Data Figure 9-5 Load step response (VIN=7.4V,VOUT=1.2V) IOUT=0.05A to 7.69A, SLP_N=H Figure 9-6 Load step response (VIN=7.4V,VOUT=1.2V) IOUT=7.69A to 0.05A, SLP_N=H MB39C502-EVBSK-01 Evaluation Board Operation Manual, Doc. No. 002-08685 Rev. *B...
  • Page 21 Reference Data Figure 9-7 Switching waveform (VIN=7.4V,Iout=8.54A) , SLP_N=H Figure 9-8 Switching waveform (VIN=7.4V,Iout=0.05A), SLP_N=H MB39C502-EVBSK-01 Evaluation Board Operation Manual, Doc. No. 002-08685 Rev. *B...
  • Page 22 Reference Data Figure 9-9 Switching waveform (VIN=7.4V,Iout=0.3A), LPM at SLP_N=L Figure 9-10 Switching waveform (VIN=7.4V,Iout=0.01A) , LPM at SLP_N=L MB39C502-EVBSK-01 Evaluation Board Operation Manual, Doc. No. 002-08685 Rev. *B...
  • Page 23 Reference Data Increase Temperature of External FET Figure 9-11 Increase Temperature 1.2V Output Voltage, using “FDMC7208S” FET. Increase Temperature vs. Output Current VIN=25.0V VIN=20.0V VIN=12.0V VIN=7.4V 10.0 11.0 12.0 Output Current / A MB39C502-EVBSK-01 Evaluation Board Operation Manual, Doc. No. 002-08685 Rev. *B...

  • Page 24: Initial Settings

    10. Initial Settings Output Voltage Current Limit at VIN=7.4V Over Current Alerting Threshold Level at VIN=7.4V MB39C502-EVBSK-01 Evaluation Board Operation Manual, Doc. No. 002-08685 Rev. *B...

  • Page 25: Evaluation Board Picture

    11. Evaluation board picture Figure 11-1 Evaluation board Picture (top) MB39C502-EVBSK-01 Evaluation Board Operation Manual, Doc. No. 002-08685 Rev. *B...
  • Page 26 Evaluation board picture Figure 11-2 Evaluation board Picture (back) MB39C502-EVBSK-01 Evaluation Board Operation Manual, Doc. No. 002-08685 Rev. *B...

  • Page 27: Ordering Information

    12. Ordering Information Table 12-1 Ordering Information Part number EVB revision Note MB39C502-EVBSK-01 Rev 1.0 MB39C502-EVBSK-01 Evaluation Board Operation Manual, Doc. No. 002-08685 Rev. *B...

  • Page 28: Revision History

    Revision History Document Revision History Document Title: MB39C502-EVBSK-01 High Efficiency Single Output Step Down DC/DC Controller Evaluation Board Operation Manual Document Number: 002-08685 Revision ECN Number Issue Date Description of Change 11/19/2014 Initial release. 5247873 04/29/2016 Updated to Cypress template. 6744405 12/04/2019 Updated to new template.

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